Справочные данные LE - Этикетки Аверьянова Л. В.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Meliaceae
Walsura sp.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Treelet 3-5 m tall on mountain top. Common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 669a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Cleisostoma birmanicum (Schltr.) Garay

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Epiphyte on tall trees on mountain top. Very common.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 669.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Rubiaceae
Hedyotis sp.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Undershrub about 1.5 m tall on mountain top. Flowers light violet. Not common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 668b.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Porpax elwesii (Rchb.f.) Rolfe

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Adpressed epiphyte and lithophyte. Common. Often on Podocarpus pilgeri.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 668a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Porpax grandiflora Seidenf.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Adpressed epiphyte and lithophyte. Flower buds dull reddish. Common. Often on Podocarpus pilgeri.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 668.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Lycopodiaceae
Phlegmariurus fordii (Baker) Ching

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Epiphyte on mossy tree on mountain top. Not rare.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 667a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Bulbophyllum reptans (Lindl.) Lindl. ex Wall.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Creeping epiphyte on mossy tree on mountain top. Common.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 667.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Theaceae
Ternstroemia gymnanthera Wight & Arn.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Treelet on mountain top. Very common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 666a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Fagaceae
Lithocarpus aggregatus Barnett

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Treelet about 3 m tall on mountain top. Very common.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 666.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Aquifoliaceae
Ilex memecylifolia Champ. ex Benth.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Treelet or shrub 2-3 m tall on mountain top. Flowers buds light violet. Locally common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 665a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Bulbophyllum flabellum-veneris (J. Koenig) Aver.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Epiphyte on mossy tree. Common.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 665.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Convallariaceae
Peliosanthes argenteostriata Aver. & N. Tanaka

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Terrestrial herb on shady rocky slope. Leaves dark glossy green, often with medial whitish stripe. Common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 664a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Eria siamensis Schltr.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Epiphyte on mossy tree. Common.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 664.1

Herbarium prepared in 02 02 2020. Flowers: sepals and lip white, petals white with pale purple margins. L. Averyanov AL 664.1.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Eria siamensis Schltr.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Epiphyte on mossy tree. Common.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 664.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Convallariaceae
Peliosanthes sp.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Terrestrial herb with large leaves in shady place. Not common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 663a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Dendrobium longicornu Lindl.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Epiphyte on mossy tree. Not common.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 663.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Santalaceae
Dendrotrophe umbellata (Blume) Miquel

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Small semi-parasitic shrub in tree canopy. Fruits light green. Occasional.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 662a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Dendrobium multilineatum Kerr

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Epiphyte on mossy tree. Flowers white, lip orange stripped. Not rare.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 662.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Fagaceae
Castanopsis indica (Roxb. ex Lindl.) A. DC.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Tree 12-15 m tall. Occasional.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 661b (photo only).

FLORA OF LAOS
Hin Nam No Nature Protected Area

Acanthaceae
Peristrophe bivalvis (L.) Merr.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Terrestrial herb to small undershrub on open mossy rocks. Flowers purple-violet. Not common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 661a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Paphiopedilum appletonianum (Gower) Rolfe

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Terrestrial and lithophytic rosulate herb with tessellated leaves. Sepals and petals pink with green tint, lip olive-brownish. Locally very common.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 661.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Polypodiaceae
Arthromeris amplexifolia (Christ) Ching

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Creeping epiphytic and occasionally lithophytic fern in shady places on mountain top. Very common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 660a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Paphiopedilum appletonianum (Gower) Rolfe var. leopardinum Aver., var. nov.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Terrestrial and lithophytic rosulate herb with tessellated leaves. Common.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 660.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Polypodiaceae s.l. (Pteridaceae)
Haplopteris flexuosa (Fee) E.H. Crane
( = Vittaria flexuosa Fee)

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Epiphytic and occasionally lithophytic fern in shady places on mountain top. Locally common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 659a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Agrostophyllum callosum Rchb.f.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Clustering lithophytic and epiphytic herb in mossy place on mountain top. Not common.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 659.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Apocynaceae
Melodinus cochinchinensis (Lour.) Merr.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Shrub on mountain top. Flowers white. Common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 658a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Platanthera singgalangensis (J.J. Sm.) Efimov

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Terrestrial herb in shady mossy place on mountain top. Not common.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 658.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Phormiaceae
Dianella ensifolia (L.) DC.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Terrestrial herb in open mossy place. Occasional.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 657c (photo only).

FLORA OF LAOS
Hin Nam No Nature Protected Area

Begoniaceae
Begonia handelii Irmsch.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Lithophytic herb on mossy rocks. Leaves and petioles uniform green. Occasional.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 657b (photo only).

FLORA OF LAOS
Hin Nam No Nature Protected Area

Polypodiaceae
Selliguea rhynchophylla (Hook.) Fraser-Jenk. ( = Crypsinus rhynchophyllus (Hook.) Copel.)

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Creeping epiphytic fern on mossy tree on mountain top. Locally very common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 657a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Pholidota chinensis Lindl.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Clustering epiphyte on mossy tree. Flowers white to light yellowish. Common.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 657.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Melastomataceae
Sonerila hirsutissima Aver., sp. nov.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Terrestrial herb among mossy rocks. Not common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 656a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Porpax ustulata (E.C.Parish & Rchb.f.) Rolfe

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Clustering epiphyte and lithophyte. Occasional.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 656/1b.

Fl. in cult. 20.06.2019. Flowers entirely dull red. Photos.
d-EXSICCATES OF VIETNAMESE FLORA 0366 / AL 656.1b © L.Averyanov.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Holcoglossum subulifolium (Rchb.f.) Christenson

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Clustering terrestrial and lithophytic herb on open rocky place on mountain top. Occasional.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 656.1.

Fl. in cult. 6 Feb. 2019. Flowers white, hypochile oranger with brown-purple spots. Photos.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Calanthe cardioglossa Schltr.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Clustering terrestrial and lithophytic herb on open rocky place on mountain top. Occasional.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 656.

Herbarium specimen prepared in 26.12.2019, L. Averyanov, AL 656.1. Tepals white with pink tint, lip with purple marks. L. Averyanov (LE 01067227).

FLORA OF LAOS
Hin Nam No Nature Protected Area

Rubiaceae

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Treelet of shrub on mountain top. Flowers white. Occasional.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 655a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Eria coronaria (Lindl.) Rchb.f. ( = Trichosma suavis Lindl.)

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Clustering epiphyte on mossy tree on mountain top. Occasional.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 655.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Polypodiaceae
Neocheiropteris normalis (D.Don) Tagawa ( = Microsorum normale (D.Don) Ching)

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Creeping epiphyte and lithophyte. Common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 654a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Bulbophyllum psychoon Rchb.f. ( = B. insulsum (Gagnep.) Seidenf.; B. levinei Schltr.; B. lockii Aver. & Averyanova)

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Clustering epiphyte on mossy tree on mountain top. Occasional.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 654.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Rubiaceae
Psychotria sp. ?

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Woody vine on mountain top. Fruits green. Common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 653a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Liparis pumila Aver.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Clustering epiphyte on mossy tree on mountain top. Occasional.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 653.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Theaceae
Ternstroemia gymnanthera Wight & Arn.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Treelet about 5 m tall on mountain top. Very common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 652a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Eria thao Gagnep. ( = Campanulorchis thao (Gagnep.) S.C. Chen & J.J. Wood)

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Creeping epiphyte in open place. Not common.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 652.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Polypodiaceae s.l. (Dryopteridaceae)
Bolbitis sinensis (Baker) K.Iwats.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Lithophytic fern on shady rocks. Common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 651a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Tainia cordifolia Hook.f. ( = Mischobulbum cordifolium (Hook.f.) Schltr.)

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Creeping terrestrial herb in shady place. Not common.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 651.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Araceae
Arisaema roxburghii Kunth

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Terrestrial herb in shady humid place. Locally common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 650a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Holcoglossum subulifolium (Rchb.f.) Christenson

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Epiphyte on mossy tree. Not common.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 650.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Moraceae
Ficus sp.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Scandent or climbing treelet on mountain top. Syconia olive-green. Locally common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 649a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Coelogyne fimbriata Lindl.

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′00.3″N, 105°47′35.6″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Creeping epiphyte and lithophyte. Occasional.

4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 649.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Hymenophyllaceae
Hymenophyllum badium Hook. & Grev.
( = Mecodium badium (Hook. & Grev.) Copel.)

Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35′18.1″N, 105°47′47.5″E.

Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l.

Creeping epiphyte and lithophyte in shady humid place on mountain top. Locally common.

5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 648a.